Multiple paid days off from work caused by large amounts of snow due to extensive blizzard like conditions, resulting in the inability for one to leave his or her residence for a minimum of three days.

Snowcation refers to a day when snow of epic proportions buckets the land so that you have no choice but to take a vacation day in order to avoid driving to work.

The Snowcation day is

1. Common in snow-screwed cities like Chicago, Michigan, and Downtown Canada.
2. Common wherever the combination of plaid, denim and beige wool is an acceptable fashion statements. Animal skin winter boots optional.
3. Especially valid for employees of major companies that never ever close due to inclement weather conditions.

"Are you friggin kidding me? I'm gonna have to take a Snowcation just so I don't, like, break my neck on the way to work!"*

*often heard in cities where companies never close due to inclement weather conditions and the streets are never, ever cleared of snow and ice.
*often spoken with mouth-foaming incredulity that your life isn't worth a "stay at home, we love you" kind of courtesy day